Complete DSA in Java Sigma 10

Course Content

01. Welcome To Alpha

0. Topics List.png

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01. Alpha Curriculum.pdf

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02. Alpha Community Update.mp4

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02. Course Introduction

03. Control Flow and Loops

01. If-Else Conditional Statements – English [Auto].srt

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01. If-Else Conditional Statements.mp4

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02. Match Case Statements in Python – English [Auto].srt

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02. Match Case Statements in Python.mp4

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03. For Loops in Python – English [Auto].srt

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03. For Loops in Python.mp4

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04. While Loops in Python – English [Auto].srt

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04. While Loops in Python.mp4

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05. Break, Continue, and Pass Statements – English [Auto].srt

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05. Break, Continue, and Pass Statements.mp4

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IMPORTANT.txt

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Quiz 1 – Printing the table of 56.html

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README.txt

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README.url

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03. Prerequisites – Installation Resources

04. Flowcharts & Pseudocodes

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01. What are Flowcharts.mp4

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02. Flowchart Components.mp4

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03. Sum of 2 Numbers.mp4

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04. Calculate Simple Interest.mp4

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05. Max of 3 Numbers.mp4

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06. Find if a Number is Prime or not.mp4

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07. Sum of first N natural numbers.mp4

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08. Flowchart Questions.pdf

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09. Flowchart Solutions.pdf

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06. Variables & Data Types

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01. Creating a Java File.mp4

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02. Boilerplate Code.mp4

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03. Output in Java.mp4

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04. Print a Pattern.mp4

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05. Variables in Java.mp4

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06. Data Types In Java.mp4

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07. Sum of a & b.mp4

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08. Comments in Java.mp4

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09. Input In Java.mp4

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10. Sum of a & b (Input From User).mp4

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11. Product of a & b.mp4

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12. Area of a Circle.mp4

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13. Type Conversion.mp4

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14. Type Casting.mp4

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15. Type Promotion in Expression.mp4

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16. How Does Java Code Run.mp4

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17. Variables & Data Types Questions.pdf

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18. Variables & Data Types Solutions.pdf

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07. Operators

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01. Types of Operators.mp4

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02. Arithmetic Operators.mp4

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03. Unary Operators.mp4

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04. Relational Operators.mp4

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05. Logical Operators.mp4

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06. Assignment Operator.mp4

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07. Operators Precedence.pdf

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08. Operators Questions.pdf

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09. Operators Solutions.pdf

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08. Conditional Statements

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01. If Else.mp4

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02. Print The Largest of 2 Numbers.mp4

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03. Print if Number is Odd Or Even.mp4

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04. Else If.mp4

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05. Income Tax Calculator.mp4

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06. Print The Largest of 3 Numbers.mp4

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07. Ternary Operator.mp4

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08. Check if a Student is Pass or Fail.mp4

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09. Switch Statement.mp4

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10. Calculator.mp4

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11. Conditional Questions.pdf

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12. Conditional Solutions.pdf

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Very Important PDF.pdf

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09. Loops (Flow Control)

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01. Loops Basics.mp4

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02. While Loop.mp4

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03. Print Numbers From 1 To 10.mp4

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04. Print Numbers From 1 to n.mp4

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05. Sum of First n Natural Numbers.mp4

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06. For Loop.mp4

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07. Print Square Pattern.mp4

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08. Print Reverse of a Number.mp4

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09. Reverse The Given Number.mp4

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10. Do While Loop.mp4

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11. Break Statement.mp4

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12. Question – Break Keyword.mp4

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13. Continue Statement.mp4

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14. Question – Continue Keyword.mp4

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15. Check if a Number is Prime or Not.mp4

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16. Loops Questions.pdf

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17. Loops Solutions.pdf

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Very Important PDF.pdf

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10. Patterns (Part I)

11. Functions & Methods

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0. Topic List(2).jpeg

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01. Introduction To Function.mp4

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02. Syntax-Function Code Demo.mp4

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03. Syntax With Parameters.mp4

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04. Parameters vs Arguments.mp4

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05. What Happens In Memory(Call Stack).mp4

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06. Call By Value(in Java).mp4

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07. Product of a & b.mp4

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08. Find Factorial.mp4

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09. Find Binomial Coefficent.mp4

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10. Inbuilt vs User Defined Methods.mp4

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11. Function Overloading.mp4

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12. Overloading Using Parameters.mp4

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13. Overloading Using Data Types.mp4

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14. Check if Number is Prime or Not.mp4

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15. Check Prime (Optmised).mp4

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16. Primes In Range.mp4

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17. Binary To Decimal.mp4

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18. Code – Binary To Decimal.mp4

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19. Decimal To Binary.mp4

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20. Code – Decimal To Binary.mp4

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21. Method Scope.mp4

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22. Block Scope.mp4

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23. Functions Questions.pdf

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24. Functions Solutions.pdf

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Very Important PDF.pdf

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14. Basic Sorting Algorithm

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01. What Is Sorting.mp4

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02. Bubble Sort.mp4

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03. Bubble Sort Code.mp4

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04. Selection Sort.mp4

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05. Selection Sort Code.mp4

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06. Insertion Sort.mp4

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07. Insertion Sort Code.mp4

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08. Inbuilt sort.mp4

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09. Counting Sort.mp4

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10. Counting Sort Code.mp4

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11. Basic Sorting Questions.pdf

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12. Basic Sorting Solutions.pdf

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15. 2D Arrays

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01. Introduction To 2D Arrays.mp4

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02. Real Life Examples.mp4

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03. Representation of 2D Arrays.mp4

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04. Creation of 2D Arrays.mp4

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05. 2D Array in Memory.mp4

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06. Spiral Matrix.mp4

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07. Spiral Matrix Code.mp4

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08. Diagonal Sum.mp4

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09. Search In Sorted Matrix.mp4

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10. Search In Sorted Matrix Code.mp4

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11. 2D Arrays Questions.pdf

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12. 2D Arrays Solution.pdf

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Very Important PDF.pdf

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16. Strings

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01. What are Strings.mp4

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02. Input – Output.mp4

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03. String Length.mp4

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04. String Concatenation.mp4

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05. String charAt Method.mp4

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06. Check if a String is Palindrome.mp4

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07. Question – Shortest Path.mp4

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08. String Function – Compare.mp4

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09. String Function – Substring.mp4

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10. Print Largest String.mp4

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11. Why Strings Are Immutable.mp4

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12. String Builder.mp4

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13. Convert Letters To Uppercase.mp4

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14. Srring Compression.mp4

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15. String Question.pdf

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16. String Solution.pdf

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18. Object Oriented Programming (OOPs)

21. Interfaces.mp4

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22. Static keyword.mp4

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23. Super keyword.mp4

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24. Solved Questions Practice.mp4

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25. OOPS Question.pdf

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26. OOPS Solution.pdf

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01. Classes & Objects.mp4

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02. Access Modifiers.mp4

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03. Getters & Setters.mp4

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04. Encapsulation.mp4

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05. Constructors.mp4

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06. Type of Constructors.mp4

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07. Copy Constructor.mp4

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08. Shallow & Deep Copy.mp4

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09. Destructors.mp4

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10. Inheritance.mp4

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11. Single level Inheritance .mp4

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12. Multi Level Inheritance.mp4

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13 Hierarchial Inheritance.mp4

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14. Hybrid Inheritance.mp4

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15. Polymorphism.mp4

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16. Method Overloading.mp4

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17. Method Overriding.mp4

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18. Packages in Java.mp4

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19. Abstraction.mp4

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20. Abstract Classes.mp4

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19. Recursion Basics

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01. What is Recursion..mp4

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02. Print Numbers in Decreasing Order.mp4

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03. Stack Overflow.mp4

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04. Print Numbers in Increasing Order.mp4

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05. Find Factorial of N.mp4

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06. Print sum of N Natural Numbers.mp4

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07. Print Nth Fibonacci Number.mp4

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08. Check if Array is Sorted or Not.mp4

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09. First Occurrence.mp4

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10. Last Occurrence.mp4

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11. Print x to the power n.mp4

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12. Print x to the power n (Optimized) .mp4

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13. Tiling Problem.mp4

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14. Tiling Problem Code.mp4

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15. Remove Duplicates in a String.mp4

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16. Friends Pairing Problem.mp4

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17. Binary Strings Problem.mp4

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18. Binary Strings Problem Code.mp4

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19. Stack Analysis – Binary Strings.mp4

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20. Recursion (Basics) Questions.pdf

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21. Recursion (Basics) Solutions.pdf

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Very Important PDF.pdf

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20. Divide & Conquer

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01. What is Divide & Conquer.mp4

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02. Merge sort (Basic + Space Optimized).mp4

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03. Merge Sort Code.mp4

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04. Quick Sort.mp4

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05. Quick Sort Code.mp4

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06. Worst Case in Quick Sort.mp4

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07. Sorted & Rotated Array Search.mp4

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08. Sorted & Rotated Array Code.mp4

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09. Divide & Conquer Questions.pdf

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10. Divide & Conquer Solutions.pdf

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21. Time & Space Complexity

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01. Introduction.mp4

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02. What is Time Complexity.mp4

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03. Constant Time Complexity.mp4

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04. Big O Notation.mp4

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05. Big Omega & Theta Notation.mp4

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06. Common Complexities.mp4

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07. Space Complexity.mp4

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08. Simple Loop Analysis.mp4

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09. Nested Loop 1 Analysis.mp4

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10. Nested Loop 2 Analysis.mp4

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11. Nested Loop 3 Analysis.mp4

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12. Bubble Sort Analysis.mp4

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13. Binary Search Analysis.mp4

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14. Recursive Complexity Analysis (Factorial).mp4

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15. Sum of N Numbers Analysis.mp4

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16. Fibonacci Analysis.mp4

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17. Merge Sort Analysis.mp4

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18. Recurrence Relation – Merge Sort.mp4

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19. Power Function I – Analysis.mp4

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20. Power Function II – Analysis.mp4

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21. Power Function III – Analysis.mp4

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22. How to approach Coding Questions.mp4

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23. Time Complexity Questions.pdf

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24. Time Complexity Solutions.pdf

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Very Important PDF.pdf

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22. Backtracking

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01. Introduction.mp4

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02. Types of Backtracking.mp4

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03. Backtracking on Arrays.mp4

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04. Find Subsets.mp4

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05. Find Subsets Code.mp4

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06. Find Permutations.mp4

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07. Find Permutations Code.mp4

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08. N Queens – all ways.mp4

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09. N Queens – Time Complexity.mp4

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10. N Queens – count ways.mp4

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11. N Queens – print one solution.mp4

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12. Grid Ways.mp4

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13. Grid Ways Code.mp4

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14. Grid Ways Trick.mp4

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15. Sudoku.mp4

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16. Sudoku Code.mp4

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17. Backtracking Questions.pdf

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18. Backtracking Solutions.pdf

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23. ArrayList

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01. Introduction to ArrayList.mp4

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02. Operations on ArrayList.mp4

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03. Size of ArrayList.mp4

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04. Print Reverse of an ArrayList.mp4

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05. Find Maximum in an ArrayList.mp4

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06. Swap 2 Numbers.mp4

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07. Sorting an ArrayList.mp4

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08. ArrayList (Implementation in Java).mp4

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09. Multi-dimensional ArrayLists.mp4

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10. Container with Most Water (Brute Force).mp4

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11. Container with Most Water (2 Pointer Approach).mp4

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12. Container wMW vs. Trapping Rainwater.mp4

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13. Pair Sum-1 (Brute Force).mp4

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14. Pair Sum-1 (2 Pointer Approach).mp4

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15. Pair Sum-2.mp4

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16. Pair Sum-2 (Code).mp4

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17. ArrayList Questions.pdf

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18. ArrayList Solutions.pdf

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Very Important PDF.pdf

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24. Linked List (Part 1)

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01. Introduction to Linked List.mp4

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02. Head & Tail in LL.mp4

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03. Add First in LL.mp4

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04. Add Last in LL.mp4

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05. Print a LL.mp4

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06. Add in the Middle of LL.mp4

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07. Size of a LL.mp4

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08. Remove First in LL.mp4

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09. Remove Last in LL.mp4

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10. Iterative Search.mp4

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11. Recursive Search.mp4

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12. Reverse a LL.mp4

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13. Find and Remove Nth Node from End.mp4

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14. Check if LL is Palindrome.mp4

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15. Check if LL is Palindrome (Code).mp4

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25. Linked List (Part 2)

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01. Detecting Cycle in LL.mp4

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02. Detecting Cycle Code.mp4

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03. Removing Cycle in LL.mp4

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04. Removing Cycle Code.mp4

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05. Removing Cycle Explanation (Math).mp4

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06. Java Collections Framework.mp4

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07. LL in Collections Framework.mp4

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08. Merge Sort on LL.mp4

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09. Merge Sort on LL (Code).mp4

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10. Zig Zag LL.mp4

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11. Zig Zag LL Code.mp4

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12. Doubly LL.mp4

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13. Reverse a Doubly LL.mp4

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14. Circular LL (Approach).mp4

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15. Circular LInked List (Reading Material).pdf

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16. Linked List Questions.pdf

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17. Linked List Solutions.pdf

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Very Important PDF.pdf

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26. Stacks

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01. Stack Introduction.mp4

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02. Stack using ArrayList.mp4

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03. Stack using Linked List.mp4

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04. Stack using Collections Framework.mp4

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05. Push at Bottom of Stack.mp4

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06. Reverse a String using a Stack.mp4

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07. Reverse a Stack.mp4

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08. Stock Span Problem.mp4

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09. Next greater element.mp4

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10. Next greater element Code.mp4

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11. Valid Parentheses.mp4

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12. Valid Parentheses Code.mp4

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13. Duplicate Parentheses.mp4

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14. Duplicate Parentheses Code.mp4

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15. Maximum Rectangular Area in Histogram.mp4

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16. Max Reactangular Area in Histogram (Code).mp4

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17. Stack Questions.pdf

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18. Stack Solutions.pdf

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27. Queues

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01. Introduction to Queues.mp4

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02. Queues using Arrays.mp4

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03. Circular Queue using Arrays.mp4

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04. Queue using LL.mp4

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05. Queue using JCF.mp4

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06. Queue using Two Stacks.mp4

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07. Stack using 2 Queues.mp4

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08. First Non-Repeating Letter.mp4

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09. Interleave two halves of a Queue.mp4

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10. Queue Reversal.mp4

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11. Deque (Double Ended Queue).mp4

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12. Deque in JCF.mp4

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13. Implement Stack using Deque.mp4

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14. Implement Queue using Deque.mp4

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15. Queue Questions.pdf

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16. Queue Solutions.pdf

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Very Important PDF.pdf

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28. Greedy Algorithms

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01. Introduction to Greedy.mp4

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02. Activity Selection.mp4

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03. Activity Selection Code.mp4

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04. Activity Selection Explanation.mp4

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05. Fractional Knapsack.mp4

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06. Fractional Knapsack Code.mp4

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07. Minimum Sum absolute difference pairs.mp4

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08. Maximum length chain of pairs.mp4

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09. Indian Coins.mp4

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10. Job Sequencing Problem.mp4

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11. Chocola Problem.mp4

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12. Chocola Problem Code.mp4

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13. Comparatos In Java (Reading Material).pdf

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14. Greedy Questions.pdf

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15. Greedy Solutions.pdf

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29. Binary Trees (Part 1)

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01. Introduction to Binary Trees.mp4

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02. Levels & Sub-trees in a Tree.mp4

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03. Pop Quiz.mp4

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04. Build Tree Preorder.mp4

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05. Build Tree Preorder Code.mp4

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06. Preorder Traversal.mp4

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07. Inorder Traversal.mp4

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08. Postorder Traversal.mp4

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09. Level order Traversal.mp4

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10. Height of a Tree.mp4

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11. Count Nodes of a Tree.mp4

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12. Sum of Nodes.mp4

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13. Diameter of a Tree (Approach1).mp4

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14. Diameter of a Tree (Approach2) .mp4

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Very Important PDF.pdf

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30. Binary Trees (Part 2)

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01. Diameter of a Tree (Approach1).mp4

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02. Diameter of a Tree (Approach2).mp4

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03. Subtree of another tree.mp4

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04. Subtree of another tree Code.mp4

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05. Top View of a Tree (Basics).mp4

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06. Top View of a Tree (Approach).mp4

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07. Top View of a Tree (Code).mp4

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No Assignment.txt

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31. Binary Trees (Part 3)

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01. Kth Level.mp4

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02. Lowest Common Ancestor (Approach1).mp4

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03. Lowest Common Ancestor (Approach2).mp4

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04. Minimum Distance between 2 Nodes.mp4

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05. Kth ancestor of Node.mp4

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06. Transform to Sum Tree.mp4

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07. Binary Tree Questions.pdf

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08. Binary Tree Solutions.pdf

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Very Important PDF.pdf

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32. Binary Search Trees (Part 1)

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01. Introduction.mp4

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02. Concept of Search in BST.mp4

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03. Build a BST.mp4

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04. Search in a BST.mp4

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05. Delete a Node.mp4

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06. Print in Range.mp4

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07. Root to Leaf Path.mp4

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08. Validate BST.mp4

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09. Mirror a BST.mp4

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No Assignment.txt

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33. Binary Search Trees (Part 2)

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01. Sorted Array to Balanced BST.mp4

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02. Convert BST to Balanced BST.mp4

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03. Size of Largest BST in BT.mp4

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04. Size of Largest BST in BT (Code).mp4

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05. Merge 2 BSTs.mp4

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06. AVL Tress.mp4

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07. AVL Trees (Reading Material).pdf

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08. Red Black Trees(Reading Material).pdf

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09. BST Questions.pdf

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10. BST Solutions.pdf

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Very Important PDF.pdf

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34. Heaps

04. Introduction to Heaps.mp4

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05. Heap Implementation (using CBT).mp4

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06. Insert in Heap.mp4

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07. Peek From Heap.mp4

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08. Remove from Heap.mp4

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09. Heap Sort.mp4

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10. Nearby Cars.mp4

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11. Connect N Ropes with Minimum Cost.mp4

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12. Weakest Soldier.mp4

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13. Sliding Window Maximum.mp4

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14. Heap Questions.pdf

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15. Heap Solutions.pdf

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01. Introduction to Priority Queues.mp4

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02. PQ in JCF.mp4

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03. PQ for Objects.mp4

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35. Hashing

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01.Hashing Introduction.mp4

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02. HashMap.mp4

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03. HashMap Operations.mp4

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04. Iteration on HashMaps.mp4

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05. HashMap Implementation.mp4

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06. HashMap Implementation Code.mp4

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07. Special Note.mp4

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08. Linked HashMap.mp4

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09. TreeMap.mp4

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10. Comparison Table_.pdf

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11. Majority Element.mp4

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12. Valid Anagram.mp4

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13. HashSet.mp4

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14. Iteration on HashSets.mp4

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15. Linked HashSet.mp4

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16. TreeSet.mp4

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17. Count Distinct Elements.mp4

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18. Union & Intersection.mp4

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19. Find Itinerary for Tickets.mp4

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20. Largest Subarray with Sum 0.mp4

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21. Subarray Sum Equal to K.mp4

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22. Hashing Questions.pdf

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23. Hashing Solutions.pdf

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Very Important PDF.pdf

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36. Tries

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01. Tries Introduction.mp4

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02. What is a Trie.mp4

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03. Creating a Trie.mp4

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04. Insertion.mp4

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05. Searching.mp4

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06. Word Break Problem.mp4

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07. Prefic Problem.mp4

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08.Tries Questions.pdf

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09. Tries Solutions.pdf

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36.1 Tries

37. Graphs (Part1)

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01. Introduction to Graphs.mp4

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02. Types of Graphs (Based on Edge).mp4

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03. Graph Representations.mp4

00:00
04. Graph Applications.mp4

00:00
05. Creating a Graph (Adjacency List).mp4

00:00
06. BFS (Breadth First Search).mp4

00:00
07. DFS (Depth First Search).mp4

00:00
08. Has Path (Using DFS).mp4

00:00

38. Graphs (Part2)

0. Topic List.png

00:00
01. Connected Components.mp4

00:00
02. Cycle in Graphs.mp4

00:00
03. Cycle Detection (Undirected graphs) – DFS.mp4

00:00
04. Bipartite Graph.mp4

00:00
05. Cycle Detection (Directed graph) – DFS.mp4

00:00
06. Extra Read.mp4

00:00
07. Topological Sorting (using DFS).mp4

00:00
Very Important PDF.pdf

00:00

39. Graphs (Part3)

40. Graphs (Part4)

41. Graphs (Part5)

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00:00
01. Cheapest Flights within K Stops.mp4

00:00
02. Cheapest Flights within K Stops (Code).mp4

00:00
03. Connecting Cities.mp4

00:00
04. Connecting Cities (Code).mp4

00:00
05. Disjoint Set Union.mp4

00:00
06. Kruskal’s Algorithm.mp4

00:00
07. Flood Fill Algorithm.mp4

00:00
08. Graph Questions.pdf

00:00
09. Graph Solutions.pdf

00:00

42. Graphs – Supplemental

43. DP (Part1)

0 TOPICS LIST.jpg

00:00
01. Introduction to DP.mp4

00:00
02. What is DP (Definition).mp4

00:00
03. Ways of DP.mp4

00:00
04. 7 Important Concepts.mp4

00:00
05. Climbing Stairs (Recursion).mp4

00:00
06. Climbing Stairs (Memoization DP).mp4

00:00
07. Climbing Stairs Variation.mp4

00:00
08. Climbing Stairs (Tabulation DP).mp4

00:00

44. DP (Part2)

0. Topics List.jpg

00:00
01. Types of Knapsack problems.mp4

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02. 0-1 Knapsack (Recursion).mp4

00:00
03. 0-1 Knapsack (Memoization).mp4

00:00
04. 0-1 Knapsack (Tabulation).mp4

00:00
05. Target Sum Subset (Tabulation).mp4

00:00
06. Target Sum Subset (Code).mp4

00:00
07. Unbounded Knapsack (Tabulation).mp4

00:00
Very Important PDF.pdf

00:00

45. DP (Part3)

46. DP (Part4)

47. DP (Part5)

48. DP (Part6)

0. Topics List.jpg

00:00
01. Basics of Matrices (Math).mp4

00:00
02. Matrix Chain Multiplication (Recursion).mp4

00:00
03. MCM (Memoization).mp4

00:00
04. MCM (Tabulation).mp4

00:00
05. Minimum Partitioning.mp4

00:00
06. Minimum Array Jumps (Explanation).mp4

00:00
07. Minimum Array Jumps (Code).mp4

00:00
08. DP Questions.pdf

00:00
09. DP Solutions.pdf

00:00
Very Important PDF.pdf

00:00

49. Segment Trees

50. Study Material (Alpha)

Add this certificate to your resume to demonstrate your skills & increase your chances of getting noticed.

Course Content

01. Welcome To Alpha

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01. Alpha Curriculum.pdf

02. Alpha Community Update.mp4

02. Course Introduction

0. Topics List.png

01. Path to Placement.mp4

02. What will you learn.mp4

03. Prerequisites.mp4

03. Control Flow and Loops

01. If-Else Conditional Statements – English [Auto].srt

01. If-Else Conditional Statements.mp4

02. Match Case Statements in Python – English [Auto].srt

02. Match Case Statements in Python.mp4

03. For Loops in Python – English [Auto].srt

03. For Loops in Python.mp4

04. While Loops in Python – English [Auto].srt

04. While Loops in Python.mp4

05. Break, Continue, and Pass Statements – English [Auto].srt

05. Break, Continue, and Pass Statements.mp4

IMPORTANT.txt

Quiz 1 – Printing the table of 56.html

README.txt

README.url

03. Prerequisites – Installation Resources

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01. What to Install.mp4

02. Installation Resources.pdf

04. Flowcharts & Pseudocodes

0. Topics List.png

01. What are Flowcharts.mp4

02. Flowchart Components.mp4

03. Sum of 2 Numbers.mp4

04. Calculate Simple Interest.mp4

05. Max of 3 Numbers.mp4

06. Find if a Number is Prime or not.mp4

07. Sum of first N natural numbers.mp4

08. Flowchart Questions.pdf

09. Flowchart Solutions.pdf

06. Variables & Data Types

0. Topic List.png

01. Creating a Java File.mp4

02. Boilerplate Code.mp4

03. Output in Java.mp4

04. Print a Pattern.mp4

05. Variables in Java.mp4

06. Data Types In Java.mp4

07. Sum of a & b.mp4

08. Comments in Java.mp4

09. Input In Java.mp4

10. Sum of a & b (Input From User).mp4

11. Product of a & b.mp4

12. Area of a Circle.mp4

13. Type Conversion.mp4

14. Type Casting.mp4

15. Type Promotion in Expression.mp4

16. How Does Java Code Run.mp4

17. Variables & Data Types Questions.pdf

18. Variables & Data Types Solutions.pdf

07. Operators

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01. Types of Operators.mp4

02. Arithmetic Operators.mp4

03. Unary Operators.mp4

04. Relational Operators.mp4

05. Logical Operators.mp4

06. Assignment Operator.mp4

07. Operators Precedence.pdf

08. Operators Questions.pdf

09. Operators Solutions.pdf

08. Conditional Statements

0. Topic List.jpeg

01. If Else.mp4

02. Print The Largest of 2 Numbers.mp4

03. Print if Number is Odd Or Even.mp4

04. Else If.mp4

05. Income Tax Calculator.mp4

06. Print The Largest of 3 Numbers.mp4

07. Ternary Operator.mp4